ETYM Latin portabilis, from portare to carry: cf. French portable. Related to Port demeanor.
1. Easily or conveniently transported.
2. Of a motor designed to be attached to the outside of a boat's hull.

ETYM Cf. French soutenable, Old Fren. soustenable.
Capable of being sustained.
Capable of being continued indefinitely. For example, the sustainable yield of a forest is equivalent to the amount that grows back. Environmentalists made the term a catchword, in advocating the sustainable use of resources.

Suitable for wear or able to be worn.

Movably, in the manner of being able to be taken from place to place